SRI986 Electro-Pneumatic Positioner - webadmin1.net

24 SRI986 MI EVE0102 A-(en)8.5 Setting Limit ValuesThe switching points are dependent on the setting ofthe control vanes 21 , on the settings of the probes Aand B and on the ratio setting.To set the control vanes loosen the screw 22 on thedrive shaft and align the control vanes in accordancewith the illustrations on page 23.During loosening and/or tightening this screw holdcontrol vanes tightly to avoid damaging pinion andtooth segment.) *$! !""Adjust the probes as follows:a) Move the actuator to the position to be signalledb) Loosen locking screw 23 and adjust the switchingpoints by turning adjustment screws 24 .c) Then retighten locking screws.To set the transformation the ratio of the rotationangle of the control vanes can be set continuously byturning the spindle screw 25 of the adapter. Turnclockwise to increase the ratio and counter-clockwideto reduce it.Screw on housing cover with the air vent facingdownwards when the device is mounted.8.6 MaintenanceNo maintenance is required.8.7 Safety requirementssee page 29#